inakustik : S25 Connect 212 SUB (Y-SUB)

• Highly pure OFC copper conductors for powerful, precise bass reproduction
• Foamed PE dielectric for minimal signal loss
• Dense shielding & floating shield: optimal protection against interference
• Flexible, discreet, and durable – 100% Made in Germany

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The Connect 212 Audio XLR offers a sonically neutral and technically high-quality connection for demanding hi-fi and studio applications. Its highly flexible design and discreet appearance allow for easy integration into any setup. The signal conductors are made of highly pure, oxygen-free copper (OFC) and insulated with foamed polyethylene - a material with a particularly low dielectric constant that promotes low-loss signal transmission. The true balanced construction with separate conductors for hot, cold, and ground ensures stable, low-noise signal routing and enables effective suppression of hum interference and external noise sources.

A dense copper braid made of 186 fine wires serves as effective shielding against external influences such as Wi-Fi, Bluetooth, or power supplies. The gold-plated solid metal XLR connectors guarantee a permanently reliable contact with low contact resistance and high mechanical stability. The Connect 212 is made in Germany and individually tested for signal integrity - ensuring uncompromising quality and long-lasting listening pleasure.

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Sound doesn't start at the amplifier

Audio cables are far more than simple connections between source and amplifier – they play a crucial role in how much of the music actually reaches you. Every RCA cable acts electrically like a network of resistance, capacitance, and inductance. These properties influence whether details are preserved or whether highs lose brilliance and lows lose precision. Especially with audio interconnects, copper quality, insulation, and shielding are essential for low-loss, interference-free signal transmission. The S25 series uses high-purity OFC copper, foamed PE dielectric, and flexible, durable materials. This keeps the music signal clear, true to the source, and authentic – so you hear what’s really on the recording. A good cable doesn’t color the sound – it transmits it. It’s the solid bridge between your components and musical expression. 

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Foamed PE: High-Quality Dielectric

A key quality feature of the S25 audio cables is the foamed polyethylene (PE) used as the dielectric. Air is – right after vacuum – the best dielectric because it has an extremely low dielectric constant. Foamed PE takes advantage of this by enclosing microscopic air bubbles within the material. This significantly reduces the electrical conductivity of the insulator and minimizes the cable's capacitance. The result: signal losses are drastically reduced, and the transmission remains clear, fast, and natural. Compared to solid insulators like PVC, the foamed PE dielectric ensures especially precise and uncolored sound reproduction. This allows even the finest details, dynamics, and spatiality of your music to fully come through – creating a listening experience that comes very close to the original in the studio.

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OFC Copper: Pure Material for Pure Music

For the S25 audio cables, we use only highly pure, oxygen-free copper (OFC) with a purity level of at least 99.95%. This material offers excellent conductivity and reduces contact losses – even over longer cable runs. Additionally, OFC copper is especially resistant to corrosion, ensuring sonic stability over the years. Combined with the foamed PE dielectric and dense shielding, the signal remains unaltered – from the source to the amplifier. The S25 cables deliver music with high clarity and authentic dynamics – honest, direct, and without artificial coloration.

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Dense Shielding & Floating Shield

Especially for RCA audio cables, high-quality shielding is crucial to protect the sensitive signal from interference caused by Wi-Fi, Bluetooth, or power supplies. The S25 series relies on a tightly woven high-density copper braid and a so-called floating shield: the shielding is electrically separated from the signal and directs interference away without acting as a source of noise itself. This keeps the audio signal free from hum, noise, and high-frequency interference – even in demanding home environments. The result is a clean, interference-free transmission with maximum detail accuracy.